From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 5 Sep 2012 14:31:18 +0000 (+0900)
Subject: ftrace/x86-64: Allow to change RIP in handlers
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~97^2~8^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47d5a5f88b9d25d6464c9b60c28f391e84e3ed65;p=pandora-kernel.git

ftrace/x86-64: Allow to change RIP in handlers

Allow ftrace handlers to change RIP register (regs->ip)
in handlers. This will allow handlers to call another
function instead of original function.

Link: http://lkml.kernel.org/r/20120905143118.10329.5078.stgit@localhost.localdomain

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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